190390730320 has 160 divisors (see below), whose sum is σ = 531748965888. Its totient is φ = 61982367744.

The previous prime is 190390730317. The next prime is 190390730333. The reversal of 190390730320 is 23037093091.

190390730320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 190390730320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1710612 + ... + 1818508.

Almost surely, 2^190390730320 is an apocalyptic number.

190390730320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190390730320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265874482944).

190390730320 is an abundant number, since it is smaller than the sum of its proper divisors (341358235568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

190390730320 is a wasteful number, since it uses less digits than its factorization.

190390730320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108077 (or 108071 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 37.

The spelling of 190390730320 in words is "one hundred ninety billion, three hundred ninety million, seven hundred thirty thousand, three hundred twenty".